Rename VMware ClusterType to be iso with netbox-sync

[n-rodriguez]

To ease migration from netbox-sync.

Thank you!

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 16.10%. Comparing base (37defe8) to head (86c05cf).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/source/vmware/vmware_sync.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #438   +/-   ##
=======================================
  Coverage   16.10%   16.10%           
=======================================
  Files          56       56           
  Lines        9195     9195           
=======================================
  Hits         1481     1481           
  Misses       7674     7674           
  Partials       40       40           

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[bl4ko]

thanks